Finding the Fourth Proportional to 2,346,852.48, 3,238,101.42 and 1,328,257.20
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Solution
The fourth proportional to 2,346,852.48, 3,238,101.42 and 1,328,257.20 is: 1,832,680.82
Step by Step Solution
- Step 1: Write the proportion equation
2,346,852.48 : 3,238,101.42 = 1,328,257.20 : x - Step 2: Convert to fraction form
2,346,852.48/3,238,101.42 = 1,328,257.20/x - Step 3: Cross multiply
2,346,852.48x = 3,238,101.42 × 1,328,257.20 - Step 4: Simplify right side
2,346,852.48x = 4,301,031,525,445.22 - Step 5: Solve for x
x = 4,301,031,525,445.22/2,346,852.48 - Step 6: Final answer
x = 1,832,680.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.